Test Items |
Specifieation |
Results |
Characters |
White powder to crystal |
White powder |
Assay |
97.5%-100.5% |
99.4% |
Identification |
A,It gives reaction of citrates;B,It gives reaction of CA |
Conform |
Impurities |
Comform the test |
Conform |
Acid-insolubles |
≤0.2% |
<0.2% |
Heavy metal |
≤20 ppm |
<10ppm |
Arsenic |
≤1 ppm |
<1ppm |
Lead |
≤1 ppm |
<1ppm |
Mecury |
≤0.1 ppm |
<0.1ppm |
Fluoride |
≤30ppm |
<30ppm |
Oxlate |
≤100ppm |
<100ppm |
Alimium |
≤30ppm |
<30ppm |
Loss on drying |
10.0%-13.3% |
11.3% |
Carbonate |
Comform the test |
Conform |
Total aerobic microbial count (cfu/g) |
<1000 |
<100 |
Total combined yeasts and moulds count (cfu/g) |
<100 |
<10 |
Escherichia coli (/g) |
Not detected |
Not detected |
Pseudomonas aeruginosa |
Not detected |
Not detected |
Salmonella /25g |
Not detected |
Not detected |
Staphylococcus aureus /g |
Not detected |
Not detected |
Listeria monocytogenes |
Not detected |
Not detected |
coliforms |
<10 |
<10 |
Pseudomonas Aeruginosa/g |
Not detected |
Not detected |
Listeria monocytognes/25g |
Not detected |
Not detected |
Passing throug |
≥80% |
Conform |